Clear-Com V12PDDXY - Manual (Page 155)

Figure 185: XLR-7M headset connector
Pin Description / comments
1
Microphone -ve
2
Microphone +ve
3
Ground
4
Left Headphone Output
5
Right Headphone Output
6
PTT1
7
PTT2
Table 41: XLR-7M headset connector pinout
Note:
Configuration of the wrong type of microphone or headset will degrade or nullify the audio
from the panel or worse still, damage the microphone or headset.
The PTT1 and PTT2 functions on an XLR-7 headset or a second headset connected via the
auxiliary audio connector are connected to the logic 1 and logic 2 inputs.
Headset 1 PTT 1 or headset 2 PTT 1 active will have the same effect as Logic 1 active.
Headset 1 PTT 2 or headset 2 PTT 2 active will have the same effect as Logic 2 active.
PTT is activated by grounding the PTT line.
155 V-Series Panels User Guide